CA · C-20 · Mechanical
Warm-Air Heating, Ventilating and Air-Conditioning
Heating, ventilation, refrigeration and air-conditioning systems.
What you get
Built specifically for the C-20 exam.
- 34 C-20 course lessons across 8 modules
- 211 published Law & Business practice questions shared across California classifications
- 129 published C-20-specific trade practice questions
- Timed practice and study mode with answer explanations
- Spaced-repetition flashcards for every topic
- Topic breakdowns from your practice work
- Missed-question vault until every topic is mastered
- 14-day refund window when less than 25% of the course is completed
Full Access
$399
One-time payment, or 4 monthly payments of $100 ($400 total). Access starts once the first payment clears.
Continue to checkout- This purchase unlocks the Warm-Air Heating, Ventilating and Air-Conditioning course.
- Refunds: within 14 days and under 25% course completion. Terms
- Not included: CSLB application, exam or license fees. This is exam prep, not a license.
- Questions? Contact support
FAQ
California C-20 Warm-Air Heating, Ventilating and Air-Conditioning, common questions
What does a California C-20 license allow you to do?
Heating, ventilation, refrigeration and air-conditioning systems. It's issued by the California Contractors State License Board (CSLB) under the Mechanical category.
How do I prepare for the C-20 exam?
Study the CSLB C-20 exam outline, practice Law & Business and trade questions, review explanations, and drill flashcards on weak topics.
How much does C-20 exam prep cost?
$399 one-time, or 4 payments of $100, for the course, practice questions, lessons and flashcards for your selected license.
Is the C-20 content California-specific?
The course separates shared California Law & Business study from C-20 trade study so candidates can focus on the right material.
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